Compressed sponge self-inflating cushion

ABSTRACT

The present invention relates to the field of outdoor appliances, in particular to a compressed sponge self-inflating cushion. The self-inflating cushion of the present invention has a wide range of applications, and can be used both indoors and outdoors, and a sponge automatically absorbs air, so that automatic inflation is achieved. There is no complicated electronic circuit inside, so there is no need to worry about whether an inflatable cushion body cannot be inflated due to electric leakage or insufficient power supply. The surface of the sponge is provided with a plurality of parallel folding grooves for convenient folding and winding, and thus a user can conveniently wind up the inflatable cushion body.

TECHNICAL FIELD

The present invention relates to the field of outdoor appliances, inparticular to a compressed sponge self-inflating cushion.

BACKGROUND

With the advancement of society and the improvement of living standards,various outdoor activities such as camping and picnics have enteredpeople's lives. More and more people will choose outdoor activities torelax on weekends or holidays, which also puts forward higherrequirements for outdoor products. At present, a variety of outdoorsport products have also been developed.

The Chinese patent with the application number CN201911278137.2discloses a modular inflatable cushion which includes a base, aplurality of air cushion units respectively with air nozzles, a couplingstructure and an inflatable structure with a controller; the couplingstructure includes a first coupling unit arranged on the base and asecond coupling unit arranged on the air cushion units and coupled withthe first coupling unit; the modular inflatable cushion is characterizedin that the plurality of air cushion units are independent air cushionunits, and are independently arranged on the upper surface of the baseby the coupling structure; the controller of the inflatable structure isconnected with two inflatable tubes; each inflatable tube is providedwith a plurality of inflation nozzles corresponding to the air nozzleson the air cushion units.

Although an outdoor air cushion can be inflated, complicated inflationtubes need to be laid inside, and a charged controller needs to bearranged, therefore it is difficult to avoid electric leakage orinsufficient power supply.

SUMMARY

In order to solve the above-mentioned problems, the present inventionprovides a compressed sponge self-inflating cushion, which can realizeautomatic inflation, and there is no complicated electronic circuitinside, so that there is no need to worry about whether an inflatablecushion body cannot be inflated due to electric leakage or insufficientpower supply; and the surface of the inside sponge is provided with aplurality of parallel folding grooves for convenient folding andwinding, and thus a user can conveniently wind up the inflatable cushionbody.

In order to achieve the above objectives, the technical solution adoptedby the present invention is as follows: a compressed spongeself-inflating cushion includes an inflatable cushion body, wherein theinflatable cushion body includes an air cushion bag, wherein the aircushion bag is filled with sponge, and the air cushion bag is providedwith an inflation and deflation assembly communicating with the insideof the air cushion bag; wherein the surface of the sponge is providedwith a plurality of parallel folding grooves for convenient folding andwinding, and the edge of the back of the air cushion bag is providedwith a first connecting part, and the back of the air cushion bag isprovided with a second connecting part assembled with the firstconnecting part; wherein the inflatable cushion body is winded, and thefirst connecting part and the second connecting part are connected, andthe inflatable cushion body is kept in a winded state.

Further, the inflation and deflation assembly includes a mounting basewhich is assembled on the air cushion bag and communicates with theinside of the air cushion bag, a one-way valve which is assembled on themounting base and controls air to flow into the air cushion bag from theoutside of the air cushion bag only, and a sealing plug assembled on thesurface of the one-way valve and used for preventing air from flowinginto the air cushion bag from the outside of the air cushion bag.

Further, the one-way valve includes a valve body and a one-way valveflap, wherein the valve body is provided with a valve groove in arecessed mode, wherein the bottom of the valve groove is provided with aplurality of communication holes and a first mounting hole used formounting the one-way valve flap, the umbrella-shaped one-way valve flapis mounted in the first mounting hole and controls the communicationholes to be connected or disconnected with the mounting base, and thesealing plug is arranged in the valve groove in a sealed mode andisolates the communication holes from the outside air.

Further, the inflation and deflation assembly further includes a firstconnecting belt, wherein one end of the first connecting belt isconnected to one side of the mounting base, and the other end of thefirst connecting belt is connected to one side of the valve body.

Further, the one-way valve flap includes a first umbrella post which isinserted in the first mounting hole and slides along the first mountinghole, a first blocking disc extending circumferentially along one end ofthe first umbrella post, and a first plug annularly arranged on thefirst umbrella post to be clamped on the inner wall of the firstmounting hole.

Further, the inflation and deflation assembly also includes a secondconnecting belt, wherein one end of the second connecting belt isconnected to one side of the valve body, and the other end of the secondconnecting belt is connected to one side of the sealing plug.

Further, the top of the valve body is provided with a first recedingnotch and a second receding notch, and a part, connected with thesealing plug, of the second connecting belt is clamped in the firstreceding notch, a third connecting belt is further connected to a sidesurface of the sealing plug, and the third connecting belt is clamped inthe second receding notch.

Further, a positioning post is arranged at the second receding notch, apositioning hole is formed in the third connecting belt, and thepositioning post is inserted in the positioning hole.

Further, the first connecting part is a hook fastener, and the secondconnecting part is a loop fastener.

Further, a binding device is further arranged at the edge of the aircushion bag, the binding device includes a binding buckle provided witha clamping pin and a binding belt with positioning holes formed in thesurface, wherein the binding buckle is connected to the edge of the aircushion bag, one end of the binding belt is hinged to one end of thebinding buckle, the other end of the binding belt is winded around theinflatable cushion body in a winded state and penetrates through thebinding buckle, and the clamping pin penetrates through the positioningholes for positioning.

The beneficial effects of the present invention are as follows: 1. Thepresent invention has a wide range of applications and can be used bothindoors or outdoors. For example, the compressed sponge self-inflatingcushion can be used as a cushion for children at home, or can be used asa cushion in large fences outdoors, or can be used by being laid on thelawn. Under the elastic force of the high-resilience sponge, the spongeautomatically absorbs air, that is, the inflatable cushion body can beautomatically inflated. The inflation and deflation assembly is closedafter inflation is completed. After use, the inflation and deflationassembly is opened, then the inflatable cushion body is pressed toexhaust air in the sponge, and the inflation and deflation assembly isagain closed. The operation is convenient, besides, there is nocomplicated electronic circuit inside, so that there is no need to worryabout whether the inflatable cushion body cannot be inflated due toelectric leakage or insufficient power supply.

2. Moreover, in the present application, the surface of the sponge isprovided with a plurality of parallel folding grooves for convenientfolding and winding, so the user can conveniently wind up the inflatablecushion body. Meanwhile, the edge of the back of the air cushion bag isprovided with the first connecting part, and the back of the air cushionbag is provided with the second connecting part assembled with the firstconnecting part, wherein the inflatable cushion body is winded, theconnecting part is connected with the second connecting part, and theinflatable cushion body is kept in a winded state, so that the floorarea of the inflatable cushion body is reduced, and the inflatablecushion body is convenient to carry; meanwhile, deflation of air in thesponge can be accelerated through the cooperation of the firstconnecting part and the second connecting part, and the volume of theinflatable cushion body is further reduced.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of a surface structure of an inflatablecushion body.

FIG. 2 is a schematic diagram of a back structure of an inflatablecushion body.

FIG. 3 is a schematic diagram of a sponge.

FIG. 4 is a cross-sectional view of a sponge.

FIG. 5 is a front view of an inflation and deflation assembly with aone-way valve flap omitted.

FIG. 6 is a bottom view of an inflation and deflation assembly with aone-way valve flap omitted.

FIG. 7 is a front view of an inflation and deflation assembly.

FIG. 8 is a bottom view of an inflation and deflation assembly.

FIG. 9 is a schematic diagram of assembling principle of an inflationand deflation assembly.

Description of the reference numerals: air cushion bag 1, sponge 2,folding grooves 21, first connecting part 31, second connecting part 32,binding buckle 33, clamping pin 331, binding belt 34, positioning holes341, inflation and deflation assembly 4, mounting base 41, firstconnecting belt 411, second connecting belt 412, third connecting belt413, positioning hole 4131, one-way valve 42, first receding notch 421,second receding notch 422, positioning post 423, communication holes424, one-way valve flap 425, first mounting hole 426 and sealing plug43.

DETAILED DESCRIPTION

Referring to FIGS. 1-9, the present invention relates to a compressedsponge 2 self-inflating cushion which includes an inflatable cushionbody, wherein the inflatable cushion body includes an air cushion bag 1,wherein the air cushion bag 1 is filled with the sponge 2, and the aircushion bag 1 is provided with an inflation and deflation assembly 4communicating with the inside of the air cushion bag 1; wherein thesurface of the sponge 2 is provided with a plurality of parallel foldinggrooves 21 for convenient folding and winding, the edge of the back ofthe air cushion bag 1 is provided with a first connecting part 31, andthe back of the air cushion bag 1 is provided with a second connectingpart 32 assembled with the first connecting part 31; wherein theinflatable cushion body is winded, the first connecting part 31 and thesecond connecting part 32 are connected, and the inflatable cushion bodyis kept in a winded state.

The present invention has a wide range of applications and can be usedindoors or outdoors. For example, the compressed sponge self-inflatingcushion can be used as a cushion for children at home, or can be used asa cushion in large fences outdoors, or can be used by being laid on thelawn. Under the elastic force of the high-resilience sponge 2, thesponge 2 automatically absorbs air, that is, the inflatable cushion bodycan be automatically inflated through the inflation and deflationassembly 4. The inflation and deflation assembly 4 is closed afterinflation is completed. After use, the inflation and deflation assembly4 is opened, then the inflatable cushion body is pressed to exhaust airin the sponge 2, and then the inflation and deflation assembly 4 isclosed. The operation is convenient, besides, there is no complicatedelectronic circuit inside, so that there is no need to worry aboutwhether the inflatable cushion body cannot be inflated due to electricleakage or insufficient power supply. Moreover, in the presentapplication, the surface of the sponge 2 is provided with a plurality ofparallel folding grooves 21 for convenient folding and winding, so theuser can conveniently wind up the inflatable cushion body. Meanwhile,the edge of the back of the air cushion bag 1 is provided with the firstconnecting part 31, and the back of the air cushion bag 1 is providedwith the second connecting part 32 assembled with the first connectingpart 31, wherein the inflatable cushion body is winded, the connectingpart 31 is connected to the second connecting part 32, and theinflatable cushion body is kept in a winded state, so that the floorarea of the inflatable cushion body is reduced, and the inflatablecushion body is convenient to carry; meanwhile, deflation of air in thesponge 2 can be accelerated through the cooperation of the firstconnecting part 31 and the second connecting part 32, and the volume ofthe inflatable cushion body is further reduced.

Further, the inflation and deflation assembly 4 includes a mounting base41 which is assembled on the air cushion bag 1 and communicates with theinside of the air cushion bag 1, a one-way valve 42 which is assembledon the mounting base 41 and controls air to flow into the air cushionbag 1 from the outside of the air cushion bag 1 only, and a sealing plug43 assembled on the surface of the one-way valve 42 and used forpreventing air from flowing into the air cushion bag 1 from the outsideof the air cushion bag 1.

Wherein in the specific embodiment, inflation or deflation is achievedby the inflation and deflation assembly 4. When inflation is required,only the sealing plug 43 needs to be opened, since the sponge 2 is highin resilience, the sponge 2 will absorb air, so that outside air passesthrough the one-way valve 42, enters the mounting base 41, finallypasses through the mounting base 41 and enters the air cushion bag 1 toachieve inflation, and during the inflation process, even if the airinside the sponge 2 is compressed, the air will not escape out of theair cushion bag 1 due to the existence of the one-way valve 42; and whendeflation is required, only the one-way valve 42 needs to be removedfrom the mounting base 41, since there is no hindrance by the one-wayvalve 42 at this time, deflation can be achieved directly by compressingthe sponge 2 inside.

Further, the one-way valve 42 includes a valve body and a one-way valveflap 425, wherein the valve body is provided with a valve groove in arecessed mode, the bottom of the valve groove is provided with aplurality of communication holes 424 and a first mounting hole 426 usedfor mounting the one-way valve flap 425, the umbrella-shaped one-wayvalve flap 425 is mounted in the first mounting hole 426 and controlsthe communication holes 424 to be connected or disconnected with themounting base 41, and the sealing plug 43 is arranged in the valvegroove in a sealed mode and isolates the communication holes 424 fromthe outside air. The one-way valve flap 425 includes a first umbrellapost which is inserted in the first mounting hole 426 and slides alongthe first mounting hole 426, a first blocking disc extendingcircumferentially along one end of the first umbrella post, and a firstplug annularly arranged on the first umbrella post to be clamped on theinner wall of the first mounting hole 426. In the specific embodiment,during the inflation process, the one-way valve flap 425 is sucked downunder the action of the sponge 2, so that the first blocking disc nolonger blocks the communication holes 424, and the first plug canprevent the first umbrella post from moving down.

Further, the inflation and deflation assembly 4 further includes a firstconnecting belt 411, wherein one end of the first connecting belt 411 isconnected to one side of the mounting base 41, and the other end of thefirst connecting belt 411 is connected to one side of the valve body.Further, the inflation and deflation assembly 4 further includes asecond connecting belt 412, wherein one end of the second connectingbelt 412 is connected to one side of the valve body, and the other endof the second connecting belt 412 is connected to one side of thesealing plug 43. In the specific embodiment, in order to facilitate theassembling between the mounting base 41, the valve body and the sealingplug 43, the first connecting belt 411 and the second connecting belt412 are adopted for connection, so that the situation that inflation ordeflation can not be conducted due to part scattering is avoided.

Further, the top of the valve body is provided with a first recedingnotch 421 and a second receding notch 422, and the part, connected withthe sealing plug 43, of the second connecting belt 412 is clamped in thefirst receding notch 421, a third connecting belt 413 is furtherconnected to a side surface of the sealing plug 43, and the thirdconnecting belt 413 is clamped in the second receding notch 422. Whereinthe first receding notch 421 is formed in order to position the secondconnecting belt 412, the second receding notch 422 is further providedfor fixing the third connecting belt 413, and the third connecting belt413 is provided for facilitating the opening of the sealing plug 43.

Further, a positioning post 423 is arranged at the second receding notch422, the third connecting belt 413 is provided with a positioning hole4131, and the positioning post 423 is inserted in the positioning hole4131. The third connecting belt 413 being firmly assembled in the secondreceding notch 422 can be ensured by the cooperation between thepositioning post 423 and the positioning hole 4131.

Further, the first connecting part 31 is a hook fastener, and the secondconnecting part 32 is a loop fastener. After the inflatable cushion bodyis compressed and winded, the hook fastener and the loop fastenercooperate to wind up the inflatable cushion body, so as to prevent thecushion from unfolding.

Further, in order to ensure the winding stability and increase thedeflation speed of the self-inflating cushion, a binding device isfurther arranged at the edge of the air cushion bag 1 of the presentapplication, and the binding device includes a binding buckle 33provided with a clamping pin 331 and a binding belt 34 with positioningholes 341 formed in the surface, wherein the binding buckle 33 isconnected to the edge of the air cushion bag 1, one end of the bindingbelt 34 is hinged to one end of the binding buckle 33, the other end ofthe binding belt 34 is winded around the inflatable cushion body in awinded state and penetrates through the binding buckle 33, and theclamping pin 331 penetrates through the positioning holes 341 forpositioning. Wherein the working principle of the binding device issimilar to that of a watchband, and tightening the inflatable cushionbody by the binding belt 34 can speed up the deflation of the insidesponge 2; when the deflation is completed, the binding belt 34penetrates through the binding buckle 33 and the clamping pin 331penetrates through the positioning holes 341 for positioning.

The above embodiments are only description of the preferred embodimentsof the present invention, and do not limit the scope of the presentinvention. Without departing from the design spirit of the presentinvention, various modifications and improvements made by ordinaryengineers in the art to the technical solution of the present inventionshould fall within the protection scope determined by the claims of thepresent invention.

1. A compressed sponge self-inflating cushion, characterized byincluding an inflatable cushion body, wherein the inflatable cushionbody includes an air cushion bag, wherein the air cushion bag is filledwith a sponge, and the air cushion bag is provided with an inflation anddeflation assembly communicating with the inside of the air cushion bag;a surface of the sponge is provided with a plurality of parallel foldinggrooves for convenient folding and winding, an edge of the back of theair cushion bag is provided with a first connecting part, and the backof the air cushion bag is provided with a second connecting partassembled with the first connecting part, wherein the inflatable cushionbody is winded, the first connecting part and the second connecting partare connected, and the inflatable cushion body is kept in a windedstate.
 2. The compressed sponge self-inflating cushion of claim 1,characterized in that the inflation and deflation assembly includes amounting base which is assembled on the air cushion bag and communicateswith the inside of the air cushion bag, a one-way valve which isassembled on the mounting base and controls air to flow into the aircushion bag from the outside of the air cushion bag only, and a sealingplug assembled on a surface of the one-way valve and used for preventingair from flowing into the air cushion bag from the outside of the aircushion bag.
 3. The compressed sponge self-inflating cushion of claim 2,characterized in that the one-way valve includes a valve body and aone-way valve flap, wherein the valve body is provided with a valvegroove in a recessed mode, a bottom of the valve groove is provided witha plurality of communication holes and a first mounting hole used formounting the one-way valve flap, the umbrella-shaped one-way valve flapis mounted in the first mounting hole and controls the communicationholes to be connected or disconnected with the mounting base, and thesealing plug is arranged in the valve groove in a sealed mode andisolates the communication holes from the outside air.
 4. The compressedsponge self-inflating cushion of claim 3, characterized in that theinflation and deflation assembly further includes a first connectingbelt, wherein one end of the first connecting belt is connected to oneside of the mounting base, and the other end of the first connectingbelt is connected to one side of the valve body.
 5. The compressedsponge self-inflating cushion of claim 4, characterized in that theone-way valve flap includes a first umbrella post which is inserted inthe first mounting hole and slides along the first mounting hole, afirst blocking disc extending circumferentially along one end of thefirst umbrella post, and a first plug annularly arranged on the firstumbrella post to be clamped on the inner wall of the first mountinghole.
 6. The compressed sponge self-inflating cushion of claim 3,characterized in that the inflation and deflation assembly furtherincludes a second connecting belt, wherein one end of the secondconnecting belt is connected to one side of the valve body, and theother end of the second connecting belt is connected to one side of thesealing plug.
 7. The compressed sponge self-inflating cushion of claim6, characterized in that a top of the valve body is provided with afirst receding notch and a second receding notch, and a part, connectedwith the sealing plug, of the second connecting belt is clamped in thefirst receding notch, a third connecting belt is further connected to aside surface of the sealing plug, and the third connecting belt isclamped in the second receding notch.
 8. The compressed spongeself-inflating cushion of claim 7, characterized in that a positioningpost is arranged at the second receding notch, the third connecting beltis provided with a positioning hole, and the positioning post isinserted in the positioning hole.
 9. The compressed spongeself-inflating cushion of claim 1, characterized in that the firstconnecting part is a hook fastener and the second connecting part is aloop fastener.
 10. The compressed sponge self-inflating cushion of claim9, characterized in that a binding device is further arranged at an edgeof the air cushion bag, and the binding device includes a binding buckleprovided with a clamping pin and a binding belt with positioning holesformed in the surface, wherein the binding buckle is connected to theedge of the air cushion bag, one end of the binding belt is hinged toone end of the binding buckle, the other end of the binding belt iswinded around the inflatable cushion body in a winded state andpenetrates through the binding buckle, and the clamping pin penetratesthrough the positioning holes for positioning.